Create an ultra-premium vertical advertising poster for Starbucks Caffe Americano, prese…

Create an ultra-premium vertical advertising poster for Starbucks Caffe Americano, preserving the same minimalist editorial poster skeleton while pushing both the main direction and the same-bone refinement to a more flagship, more collectible, more internationally art-directed level. The composition must keep a large field of warm light-beige negative space in the upper half and a dramatic extreme macro coffee surface in the lower half, but everything should now feel more refined, more graphically intelligent, and more like a luxury coffee magazine cover fused with a world-class Starbucks campaign. The hero product is Starbucks Caffe Americano shown in an extreme macro close-up, with the lower half of the poster dominated by a sculptural coffee-liquid horizon. The liquid surface should feel like a luxurious micro-landscape of espresso-black depth, translucent amber highlights, caramel-brown transitions, creamy foam edges, golden bubble membranes, and layered fluid marbling where black coffee and a restrained touch of milk or cream create exceptionally rich but clean motion. Push the fluid detail much further: hyper-detailed micro-bubbles, large transparent bubble pockets, subtle ripple tension, clustered crema foam, sharp glossy surface reflections, and elegant turbulence patterns that feel physically believable, refined, and mesmerizing. The coffee should look alive, premium, and almost monumental in macro scale. Preserve the same poster logic, but make the coffee wave line more sculptural and art-directed. Let the liquid edge rise across the lower half like a dramatic coffee horizon, with more beautiful contour variation, richer foam layering, and stronger visual rhythm. The wave should interact intelligently with the typography above, almost like the poster layout is being shaped by the coffee itself. The result should feel like an iconic flagship coffee poster: simple at first glance, but astonishingly rich in detail and design intelligence. Refine the typography system into a more international editorial direction. Keep the upper half spacious and mostly empty, but place a concise English hero title such as "Caffe Americano" in a bold but elegant way, supported by a subtle Starbucks siren mark or official brand signature, and a small handwritten-style coffee mantra or poetic coffee note placed in a playful but highly curated position. Add a few small editorial text fragments or fine-line supporting copy with the sophistication of a collectible coffee journal cover. Typography must feel black, clean, and highly designed, with only the most restrained hint of Starbucks green if absolutely necessary. The text should feel integrated, premium, clever, and official, never loud, never generic, never crowded. The layout should feel like a premium balance between graphic design and product worship. The upper field of negative space must breathe. The typography should not sit mechanically; it should arc, float, tilt, or align in an artful way that echoes the movement of the liquid below. Include a minimal hand-drawn coffee icon, hand-script note, or small coffee wisdom line, but keep it elegant and editorial. The whole poster should feel modern, playful, intelligent, and very expensive. Lighting must be exceptionally soft and premium, emphasizing the wet realism of the Americano surface. Use delicate highlights on bubbles and foam membranes, subtle reflected light on the liquid ridge, fine steam haze if appropriate, tiny suspended particles, and impeccable tonal control from deep espresso-black to amber-brown to creamy ivory. Every bubble and liquid transition should feel macro-photography-grade, with sharp surface tension and refined cinematic softness. The realism must be extreme, but the overall mood remains calm, elegant, and premium. Keep the palette tightly controlled: warm beige upper background, deep espresso black, rich brown, toasted amber, creamy foam tones, and a very restrained brand-green accent if needed. The final image should feel like a world-class Starbucks print campaign and an editorial design object at the same time: hyper-real coffee, intelligent graphic rhythm, minimal official branding, subtle handwritten charm, soft luxury lighting, premium print texture, and razor-sharp detail. Avoid cluttered layouts, avoid too many graphic elements, avoid heavy prop usage, avoid visible cup dominance, avoid excessive green, avoid dirty foam, avoid low-detail liquid, avoid cartoon illustration style, avoid generic cafe-poster design, avoid cheap typography, avoid chaotic composition.